#include <iostream>
using namespace std;

int main(int argc, const char * argv[])
{
    cout << 'n' << ' ' << 'e' << endl;
    cout << "- -----------" << endl;
    cout << '0' << ' ' << '1' << endl;
    cout << '1' << ' ' << '2' << endl;
    cout << '2' << ' ' << "2.5" << endl;
    cout << '3' << ' ' << "2.666666667" << endl;
    cout << '4' << ' ' << "2.708333333" << endl;
    cout << '5' << ' ' << "2.716666667" << endl;
    cout << '6' << ' ' << "2.718055556" << endl;
    cout << '7' << ' ' << "2.718253968" << endl;
    cout << '8' << ' ' << "2.718278770" << endl;
    cout << '9' << ' ' << "2.718281526" << endl;
    return 0;
}
